CI: Add FreeBSD (#302)

.github/workflows/cmake.yml

@@ -15,6 +15,48 @@ on:
       - '**/appimage.yml'
 
 jobs:
+  freebsd:
+    runs-on: ubuntu-latest
+    name: FreeBSD
+    steps:
+    - uses: actions/checkout@v4
+    - name: Test in FreeBSD
+      id: test
+      uses: vmactions/freebsd-vm@v1
+      with:
+        usesh: true
+        prepare: |
+          pkg install -y \
+              bash \
+              cmake \
+              cppunit \
+              curl \
+              freetype2 \
+              fribidi \
+              ftgl \
+              git \
+              glew \
+              jpeg-turbo \
+              libGLU \
+              libircclient \
+              libogg \
+              libvorbis \
+              libX11 \
+              libxml2 \
+              lua53 \
+              mesa-libs \
+              miniupnpc \
+              openal-soft \
+              pkgconf \
+              png \
+              sdl2 \
+              wx30-gtk3
+
+        run: |
+          git config --global --add safe.directory /home/runner/work/megaglest-source/megaglest-source
+          cd mk/linux
+          ./build-mg.sh -f -d
+
   build-linux:
     strategy:
       fail-fast: false

CMakeLists.txt

@@ -187,21 +187,6 @@ IF(CMAKE_COMPILER_IS_GNUCXX OR MINGW OR MSVC)
         ADD_DEFINITIONS("-DUNICODE")
 	ENDIF()
 
-    # CLang specific Compiler Options
-    IF ("${CMAKE_CXX_COMPILER_ID}" MATCHES "(Apple)?Clang")
-
-	ELSEIF(MSVC)
-
-    # GCC specific Compiler Options
-    ELSE()
-        ADD_DEFINITIONS("-frounding-math -fsignaling-nans")
-
-#                IF(NOT MINGW)
-#                        set(CMAKE_C_FLAGS   "${CMAKE_C_FLAGS}   -rdynamic")
-#                        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -rdynamic")
-#                ENDIF()
-    ENDIF()
-
 if(DEFINED ENV{CFLAGS})
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} $ENV{CFLAGS}")
 endif()
@@ -220,6 +205,8 @@ set(EXTRA_FLAGS
     "-Werror=odr"
     "-Werror=lto-type-mismatch"
     "-Werror=strict-aliasing"
+    "-frounding-math"
+    "-fsignaling-nans"
 )
 
 # Loop through each flag and check for both C++ and C compilers

mk/linux/build-mg.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
 # Use this script to build MegaGlest using cmake
 # ----------------------------------------------------------------------------
 # Written by Mark Vejvoda <[email protected]>
@@ -133,7 +133,19 @@ EXTRA_CMAKE_OPTIONS=
 
 # Build threads
 # By default we use all physical CPU cores to build.
-NUMCORES=`lscpu -p | grep -cv '^#'`
+# Detect number of CPU cores for Linux, macOS, and BSD-based systems
+
+if command -v lscpu >/dev/null 2>&1; then
+    # Linux-specific (using lscpu)
+    NUMCORES=$(lscpu -p | grep -cv '^#')
+elif uname | grep -iq bsd; then
+    # macOS and any BSD-based system (using sysctl)
+    NUMCORES=$(sysctl -n hw.ncpu)
+else
+    # Unsupported OS, set NUMCORES to 1
+    NUMCORES=1
+fi
+
 echo "CPU cores detected: $NUMCORES"
 if [ "$NUMCORES" = '' ]; then NUMCORES=1; fi
 if [ $CPU_COUNT != -1 ]; then NUMCORES=$CPU_COUNT; fi

mk/linux/mg_shared.sh

@@ -4,10 +4,10 @@
 #
 # Copyright (c) 2013-2016 MegaGlest Team under GNU GPL v3.0+
 
-function detect_system {
+detect_system() {
 # Determine distro title, release, codename
 #
-# Input: 
+# Input:
 #   -/-
 #
 # Output: